public class StringRegionMatch {
    public static void main(String[] args){
        String first_str="Welcome to Microsoft";
        String second_str="I work with microsoft";
        boolean match1 = first_str.regionMatches(11,second_str,12,9);
        boolean match2 = first_str.regionMatches(true,11,second_str,12,9);
        System.out.println("区分大小写返回值："+match1);
        System.out.println("不区分大小写返回值："+match2);
    }
}
